During a wild vacation in Las Vegas, career woman Joy McNally and playboy Jack Fuller come to the sober realization that they have married each other after a night of drunken abandon. They are then compelled, for legal reasons, to live life as a couple for a limited period of time. At stake is a large amount of money.
- Genre: Comedy, Romance
- Studio: 20th Century Fox, Regency Enterprises, Monarchy Enterprises B.V., Mosaic Media Group, 21 Laps Entertainment, Penn Station Entertainment, Dune Entertainment III
- Keyword: casino, hotel, roommate, romantic comedy, rivalry, wedding, las vegas, drinking, opposites attract, aftercreditsstinger, marriage counselling, accidental marriage, vegas wedding, credits stinger, credits cookie
- Cast: Cameron Diaz, Ashton Kutcher, Rob Corddry, Lake Bell, Jason Sudeikis, Treat Williams